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Remove the ÷2 attenuator from the coaxial cables.
d.
e.
From the menu bar, select Timebase (Figure 7-1).
f.
Set the WE 9000 to output a differential step. This sampling oscilloscope is only used
to provide power to the ST-20 TDR pulse generators
g.
Initialize the TDR by touching the TDR Main tab.
h.
Connect the ST-20 TDR coaxial cable from Channel 1 of the WE 9000 via the LPA–K
adapter to Channel 1 of the SDA 18000. Be sure to properly torque all connectors
(8 in.-lbs.).
i.
Set the SDA 18000 to Channel 1 and the timebase to 500 ps/div and 60 GS/s. Set the
scope to trigger on Channel 1, and edge triggering to positive slope.
j.
Set math trace F1 to the Ptrace mean of Channel 1 (Figure 7-2).
DA18000-OM-E Rev A
Performance Verification
Figure 7-1. Timebase Menu
7-3
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